Home / 119,976.15-165,565.70-65,528.06

Finding the Fourth Proportional to 119,976.15, 165,565.70 and 65,528.06

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Solution

The fourth proportional to 119,976.15, 165,565.70 and 65,528.06 is: 90,427.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,976.15 : 165,565.70 = 65,528.06 : x
  2. Step 2: Convert to fraction form
    119,976.15/165,565.70 = 65,528.06/x
  3. Step 3: Cross multiply
    119,976.15x = 165,565.70 × 65,528.06
  4. Step 4: Simplify right side
    119,976.15x = 10,849,198,459.53
  5. Step 5: Solve for x
    x = 10,849,198,459.53/119,976.15
  6. Step 6: Final answer
    x = 90,427.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.